diff options
Diffstat (limited to 'clang/lib/AST/ExprConstant.cpp')
| -rw-r--r-- | clang/lib/AST/ExprConstant.cpp | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/clang/lib/AST/ExprConstant.cpp b/clang/lib/AST/ExprConstant.cpp index 16141b2..e308c17 100644 --- a/clang/lib/AST/ExprConstant.cpp +++ b/clang/lib/AST/ExprConstant.cpp @@ -11819,6 +11819,14 @@ bool VectorExprEvaluator::VisitCallExpr(const CallExpr *E) { case clang::X86::BI__builtin_ia32_pavgw512: return EvaluateBinOpExpr(llvm::APIntOps::avgCeilU); + case clang::X86::BI__builtin_ia32_pmulhrsw128: + case clang::X86::BI__builtin_ia32_pmulhrsw256: + case clang::X86::BI__builtin_ia32_pmulhrsw512: + return EvaluateBinOpExpr([](const APSInt &LHS, const APSInt &RHS) { + return (llvm::APIntOps::mulsExtended(LHS, RHS).ashr(14) + 1) + .extractBits(16, 1); + }); + case clang::X86::BI__builtin_ia32_pmaddubsw128: case clang::X86::BI__builtin_ia32_pmaddubsw256: case clang::X86::BI__builtin_ia32_pmaddubsw512: |